Linking piece



FIG. 1 is a perspective view of a first embodiment of a linking piece showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

Portions that are shown as broken lines are for illustrative purpose only and form no part of the claimed design. Dot-dash broken lines form boundaries of, but are not included in, the claimed design. 

CLAIM The ornamental design for a linking piece, as shown and described. 